- What led to the Plum Pudding model being replaced by Rutherford's nuclear model of the atom? (6 marks)
- As a student rubs his feet along the carpet in his living room, he becomes charged. After this he places his hand on a metal radiator and receives an electric shock. Explain what charge the student obtains, why, and why he receives a shock.
- Calculate how much charge flows through a circuit with 6.0A of current in seven minutes?
- Explain why the stability of a car can be improved by widening the wheel base and lowering the centre of gravity.
- If newton's 3rd law is true how does anything move?